var imgH = 330;
function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function() {
            oldonload();
            func();
        }
    }
}
function moveElement(elementID, final_x, final_y, interval) {
    if (!document.getElementById) return false;
    if (!document.getElementById(elementID)) return false;
    var elem = document.getElementById(elementID);
    if (elem.movement) {
        clearTimeout(elem.movement);
    }
    if (!elem.style.left) {
        elem.style.left = "0px";
    }
    if (!elem.style.top) {
        elem.style.top = "0px";
    }
    var xpos = parseInt(elem.style.left);
    var ypos = parseInt(elem.style.top);
    if (xpos == final_x && ypos == final_y) {
        return true;
    }
    if (xpos < final_x) {
        var dist = Math.ceil((final_x - xpos) / 10);
        xpos = xpos + dist;
    }
    if (xpos > final_x) {
        var dist = Math.ceil((xpos - final_x) / 10);
        xpos = xpos - dist;
    }
    if (ypos < final_y) {
        var dist = Math.ceil((final_y - ypos) / 10);
        ypos = ypos + dist;
    }
    if (ypos > final_y) {
        var dist = Math.ceil((ypos - final_y) / 10);
        ypos = ypos - dist;
    }
    elem.style.left = xpos + "px";
    elem.style.top = ypos + "px";
    var repeat = "moveElement('" + elementID + "'," + final_x + "," + final_y + "," + interval + ")";
    elem.movement = setTimeout(repeat, interval);
}
function classNormal(iFocusBtnID) {
    var iFocusBtns = document.getElementById(iFocusBtnID).getElementsByTagName('li');
    for (var i = 0; i < iFocusBtns.length; i++) {
        iFocusBtns[i].className = 'normal';
    }
}
function classCurrent(iFocusBtnID, n) {
    var iFocusBtns = document.getElementById(iFocusBtnID).getElementsByTagName('li');
    iFocusBtns[n].className = 'active';
}
function iFocusChange() {
    if (!document.getElementById('ifocus')) return false;
    document.getElementById('ifocus').onmouseover = function() {
        atuokey = true
    };
    document.getElementById('ifocus').onmouseout = function() {
        atuokey = false
    };
    var iFocusBtns = document.getElementById('ifocus_btn').getElementsByTagName('li');
    var listLength = iFocusBtns.length;	
    iFocusBtns[0].onmouseover = function() {
        moveElement('ifocus_piclist', 0, 0*imgH, 5);
        classNormal('ifocus_btn');
        classCurrent('ifocus_btn', 0);
    }
    if (listLength >= 2) {
        iFocusBtns[1].onmouseover = function() {
            moveElement('ifocus_piclist', 0, -1*imgH, 5);
            classNormal('ifocus_btn');
            classCurrent('ifocus_btn', 1);
        }
    }
    if (listLength >= 3) {
        iFocusBtns[2].onmouseover = function() {
			 var trim_Version=version[1].replace(/[ ]/g,""); 
			if(browser=="Microsoft Internet Explorer" && trim_Version=="MSIE6.0") 
			{
             moveElement('ifocus_piclist', 0, -2*imgH+5, 5);
			}else{
            moveElement('ifocus_piclist', 0, -2*imgH, 5);
			}
            classNormal('ifocus_btn');
            classCurrent('ifocus_btn', 2);
        }
    }
    if (listLength >= 4) {
        iFocusBtns[3].onmouseover = function() {
            moveElement('ifocus_piclist', 0, -3*imgH, 5);
            classNormal('ifocus_btn');
            classCurrent('ifocus_btn', 3);
        }
    }
	 if (listLength >= 5) {
        iFocusBtns[4].onmouseover = function() {
            moveElement('ifocus_piclist', 0, -4*imgH, 5);
            classNormal('ifocus_btn');
            classCurrent('ifocus_btn', 4);
        }
    }

}
setInterval('autoiFocus()', 3500);
var atuokey = false;
function autoiFocus() {
    if (!document.getElementById('ifocus')) return false;
    if (atuokey) return false;
    var focusBtnList = document.getElementById('ifocus_btn').getElementsByTagName('li');
    var listLength = focusBtnList.length;
    for (var i = 0; i < listLength; i++) {
        if (focusBtnList[i].className == 'active') var currentNum = i;
    }
    if (currentNum == 0 && listLength != 1) {
        moveElement('ifocus_piclist', 0, -1*imgH, 5);
        classNormal('ifocus_btn');
        classCurrent('ifocus_btn',1);
    }
    if (currentNum == 1 && listLength != 2) {
        moveElement('ifocus_piclist', 0, -2*imgH, 5);
        classNormal('ifocus_btn');
        classCurrent('ifocus_btn', 2);
    }
    if (currentNum == 2 && listLength != 3) {
        moveElement('ifocus_piclist', 0, -3*imgH, 5);
        classNormal('ifocus_btn');
        classCurrent('ifocus_btn', 3);
    }
	 if (currentNum == 3 && listLength != 4) {
        moveElement('ifocus_piclist', 0, -4*imgH, 5);
        classNormal('ifocus_btn');
        classCurrent('ifocus_btn', 4);
    }
    if (currentNum == 4) {
        moveElement('ifocus_piclist', 0, 0, 5);
        classNormal('ifocus_btn');
        classCurrent('ifocus_btn', 0);
    }
    if (currentNum == 1 && listLength == 2) {
        moveElement('ifocus_piclist', 0, 0, 5);
        classNormal('ifocus_btn');
        classCurrent('ifocus_btn', 0);
    }
    if (currentNum == 2 && listLength == 3) {
        moveElement('ifocus_piclist', 0, 0, 5);
        classNormal('ifocus_btn');
        classCurrent('ifocus_btn', 0);
    }
	 if (currentNum == 3 && listLength == 4) {
        moveElement('ifocus_piclist', 0, 0, 5);
        classNormal('ifocus_btn');
        classCurrent('ifocus_btn', 0);
    }
}
addLoadEvent(iFocusChange);